APA (7th ed.) Citation

Gifford, P. W. (1968). The Gifford-Hill story. Newcomen Society in North America.

Chicago Style (17th ed.) Citation

Gifford, P. W. The Gifford-Hill Story. New York: Newcomen Society in North America, 1968.

MLA (9th ed.) Citation

Gifford, P. W. The Gifford-Hill Story. Newcomen Society in North America, 1968.